diff --git a/Package.toml b/Package.toml
index 50fad5e..8505571 100644
--- a/Package.toml
+++ b/Package.toml
@@ -1,3 +1,3 @@
 name = "james@entropic.jamesswright.co.uk/reno"
 description = "A thin routing library designed to sit on top of Deno's standard HTTP module"
-version = "0.6.3"
+version = "0.6.4"
diff --git a/reno/router.ts b/reno/router.ts
index 76d6a1c..d9e8384 100644
--- a/reno/router.ts
+++ b/reno/router.ts
@@ -69,7 +69,7 @@ export const routerCreator = (
   const queryParams = rootQueryParams || url.searchParams;
 
   for (let [path, handler] of routes) {
-    const [firstMatch, ...restMatches] = url.pathname.match(pathParser(path));
+    const [firstMatch, ...restMatches] = url.pathname.match(pathParser(path)) || [];
 
     if (firstMatch) {
       const res = await handler(
diff --git a/reno/router_test.ts b/reno/router_test.ts
index 00c4551..a966fbd 100644
--- a/reno/router_test.ts
+++ b/reno/router_test.ts
@@ -90,7 +90,7 @@ test({
   async fn() {
     const mismatchedRequest = await createServerRequest({ path: "/foo-bar" });
     const routeStub = sinon.stub();
-    const createRouter = routerCreator(sinon.stub(), sinon.stub());
+    const createRouter = routerCreator(parsePath, sinon.stub());
     const router = createRouter(createRouteMap([[/^\/foo$/, routeStub]]));
 
     await router(mismatchedRequest)